44AD Income Tax Filing Question

You have only serving professional services than you have filed under 44ADA not 44AD Gross Receipt up to 50lack

44AD explicitly exclude Commission,brokerage ,& Profession prescribed u/s.44AA(1) ,But you can opt for 44ADA. For Presumptive taxation ,Gross Receipts up-to INR 50 lacs and 50% of it shall be Income...without allowing any deduction ,Also note benefit of 44AD allowed only to Individual /HUF and Registered Partnership ( Not LLP & Company ), by the way, No Tax Audit is required if Turnover is up-to 100 Lacs, (500 Lacs If You restrict Cash Transaction up-to 5% only).

If your profession is prescribed one as per 44ADA, then You can file under 44ADA. Other professions eligible under 44AD.